Question

What are the major structural units of earth .Hive a brief account.

Answer 1

This structure of the Earth is divided into layers. These layers are both physically and chemically different. The Earth has an outer solid crust, a highly viscous mantle, a liquid outer core, and a solid inner core.The shape of the earth is an oblate spheroid, because it is slightly flattened at the poles and bulging at the equator.